Journal
ANNALES SCIENTIFIQUES DE L ECOLE NORMALE SUPERIEURE
Volume 55, Issue 3, Pages 739-789Publisher
SOC MATHEMATIQUE FRANCE
DOI: 10.24033/asens.2505
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This article proves a conjecture about the equivariant K-theory of affine Laumon spaces and establishes a connection between the quantum affine algebra and the quantum toroidal algebra by reinterpreting the action of the latter on the K-theory in terms of the shuffle algebra.
We prove a conjecture of Kuznetsov stating that the equivariant K-theory of affine Laumon spaces is the universal Verma module of the quantum affine algebra of Uq.gPln/. We do so by reinterpreting the well-known action of the quantum toroidal algebra of type Uq;q.gRln/ on the K-theory of affine Laumon spaces in terms of the shuffle algebra, which allows us to use a certain embedding of the quantum affine algebra into the quantum toroidal algebra.
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